Insertable automobile ventilation unit



FIG. 1 is a bottom and side perspective view of an insertable automobile ventilation unit showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side elevation view thereof on a reduced scale, the opposite side being a mirror image of that shown;

FIG. 7 is a bottom and side perspective view of an insertable automobile ventilation unit showing a second embodiment of my new design; and

FIG. 8 is a bottom plan view of FIG. 7.

The broken line showing of an automobile in FIG. 6 is for illustrative purposes only and forms no part of the claimed design. The front, rear, and top of the second embodiment is identical to that of the first embodiment. 

The ornamental design for an insertable automobile ventilation unit, as shown and described. 